KR920010204B1 - 초고집적 디램셀 및 그 제조방법 - Google Patents
초고집적 디램셀 및 그 제조방법 Download PDFInfo
- Publication number
- KR920010204B1 KR920010204B1 KR1019890017829A KR890017829A KR920010204B1 KR 920010204 B1 KR920010204 B1 KR 920010204B1 KR 1019890017829 A KR1019890017829 A KR 1019890017829A KR 890017829 A KR890017829 A KR 890017829A KR 920010204 B1 KR920010204 B1 KR 920010204B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- forming
- polycrystalline silicon
- region
- polysilicon
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 77
- 229920005591 polysilicon Polymers 0.000 claims abstract description 43
- 239000003990 capacitor Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000004065 semiconductor Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 10
- 229910021332 silicide Inorganic materials 0.000 claims description 7
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 6
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000003860 storage Methods 0.000 abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000005360 phosphosilicate glass Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/033—Making the capacitor or connections thereto the capacitor extending over the transistor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/31—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/31—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor
- H10B12/318—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor the storage electrode having multiple segments
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (5)
- 스택커패시터를 가지는 디램셀에 있어서, 제1도전형의 반도체기판의 소정부분에 필드산화막을 형성하여 스위칭트랜지스터 영역을 한정하는 공정과, 상기 스위칭트랜지스터영역에 상기 필드산화막층과 인접하는 소오스영역과, 이 소오스영역과 채널영역을 통해 이격된 드레인영역을 형성하는 공정과, 상기 채널영역상에 게이트산화막층을 형성하는 공정과, 상기 필드산화막층의 소정부분과 게이트산화막층의 상부에 제1다결정 실리콘층들을 형성하고, 상기 제1다결정실리콘층들을 전기적으로 절연시키는 절연층을 형성하는 공정과, 상기 절연층상에 상기 제1다결정실리콘층과 겹치도록 제2다결정실리콘층들과 이 제2다결정실리콘층들의 표면에 제1유전체층을 형성하는 공정과, 상기 제2다결정실리콘층의 소정부분상에 제1유전체층을 개재시켜 겹쳐지도록 상기 소오스영역상에 제3다결정실리콘층을 형성하는 공정과, 상기 제3다결정실리콘층의 표면상에 제2유전체층을 개재시켜 제4다결정실리콘층을 형성하는 공정을 구비함을 특징으로 하는 디램셀의 제조방법.
- 제1항에 있어서, 상기 유전체층은 산화막 또는 ONO막으로 형성함을 특징으로 하는 디램셀의 제조방법.
- 제1항에 있어서, 상기 제1,제2,제3 및 제4다결정실리콘층들은 고농도의 제2도전형의 형성함을 특징으로 하는 디램셀의 제조방법.
- 제1항에 있어서, 디램셀의 제조방법이 상기 제4다결정실리콘층상에 BPSG층을 형성하는 공정과, 상기 드레인영역의 일부분을 노출하기 위한 개구를 형성하고 상기 노출된 드레인영역과 BPSG층상에 금속실리사이드층을 형성하는 공정을 더 구비함을 특징으로 하는 디램셀의 제조방법.
- 제4항에 있어서. 상기 금속실리사이드층 W 또는 Ti중 어느 하나의 실리사이드로 형성함을 특징으로 하는 디램셀의 제조방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890017829A KR920010204B1 (ko) | 1989-12-02 | 1989-12-02 | 초고집적 디램셀 및 그 제조방법 |
US07/489,820 US5096847A (en) | 1989-12-02 | 1990-03-09 | Method making an ultra high density dram cell with stacked capacitor |
JP2056774A JPH07109879B2 (ja) | 1989-12-02 | 1990-03-09 | 超高集積dram及びその製造方法 |
DE4016347A DE4016347C2 (de) | 1989-12-02 | 1990-05-21 | Verfahren zum Herstellen einer dynamischen RAM-Speicherzelle |
GB9011356A GB2238659B (en) | 1989-12-02 | 1990-05-21 | Ultra high density DRAM cell and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890017829A KR920010204B1 (ko) | 1989-12-02 | 1989-12-02 | 초고집적 디램셀 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910013273A KR910013273A (ko) | 1991-08-08 |
KR920010204B1 true KR920010204B1 (ko) | 1992-11-21 |
Family
ID=19292506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890017829A KR920010204B1 (ko) | 1989-12-02 | 1989-12-02 | 초고집적 디램셀 및 그 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5096847A (ko) |
JP (1) | JPH07109879B2 (ko) |
KR (1) | KR920010204B1 (ko) |
DE (1) | DE4016347C2 (ko) |
GB (1) | GB2238659B (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5851871A (en) * | 1987-12-23 | 1998-12-22 | Sgs-Thomson Microelectronics, S.R.L. | Process for manufacturing integrated capacitors in MOS technology |
KR930000581B1 (ko) * | 1990-04-04 | 1993-01-25 | 금성일렉트론 주식회사 | 자기 정렬된 캐패시터 콘택을 갖는 셀 제조방법 및 구조 |
KR930000718B1 (ko) * | 1990-05-21 | 1993-01-30 | 삼성전자 주식회사 | 반도체장치의 제조방법 |
JP2838337B2 (ja) * | 1992-03-27 | 1998-12-16 | 三菱電機株式会社 | 半導体装置 |
US5429976A (en) * | 1993-12-01 | 1995-07-04 | United Microelectronics Corporation | Self-aligned method for forming polysilicon word lines on top of gate electrodes to increase capacitance of a stacked capacitor in a DRAM cell |
US5959319A (en) * | 1995-04-18 | 1999-09-28 | Nippon Steel Corporation | Semiconductor memory device having word line conductors provided at lower level than memory cell capacitor and method of manufacturing same |
KR100447981B1 (ko) * | 1996-12-27 | 2005-06-08 | 주식회사 하이닉스반도체 | 반도체소자의캐패시터및그의제조방법 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6074470A (ja) * | 1983-09-29 | 1985-04-26 | Fujitsu Ltd | 半導体装置 |
JPH0682783B2 (ja) * | 1985-03-29 | 1994-10-19 | 三菱電機株式会社 | 容量およびその製造方法 |
JPS6252959A (ja) * | 1985-09-02 | 1987-03-07 | Hitachi Ltd | 半導体記憶装置とその製造方法 |
US4685197A (en) * | 1986-01-07 | 1987-08-11 | Texas Instruments Incorporated | Fabricating a stacked capacitor |
JPS6338252A (ja) * | 1986-08-04 | 1988-02-18 | Fujitsu Ltd | ダイナミツクランダムアクセスメモリセルの形成方法 |
JPS6395709A (ja) * | 1986-10-09 | 1988-04-26 | Toshiba Corp | 増幅器の冷却装置 |
DE3856143T2 (de) * | 1987-06-17 | 1998-10-29 | Fujitsu Ltd | Verfahren zum Herstellen einer dynamischen Speicherzelle mit wahlfreiem Zugriff |
JPS6447858A (en) * | 1987-08-14 | 1989-02-22 | Univ Tokai | Vapor deposition method with laser |
JPH0666437B2 (ja) * | 1987-11-17 | 1994-08-24 | 富士通株式会社 | 半導体記憶装置及びその製造方法 |
DE3916228C2 (de) * | 1988-05-18 | 1995-06-22 | Toshiba Kawasaki Kk | Halbleiterspeichervorrichtung mit Stapelkondensatorzellenstruktur und Verfahren zu ihrer Herstellung |
JPH02156566A (ja) * | 1988-12-08 | 1990-06-15 | Mitsubishi Electric Corp | 半導体記憶装置およびその製造方法 |
-
1989
- 1989-12-02 KR KR1019890017829A patent/KR920010204B1/ko not_active IP Right Cessation
-
1990
- 1990-03-09 JP JP2056774A patent/JPH07109879B2/ja not_active Expired - Fee Related
- 1990-03-09 US US07/489,820 patent/US5096847A/en not_active Expired - Lifetime
- 1990-05-21 GB GB9011356A patent/GB2238659B/en not_active Expired - Fee Related
- 1990-05-21 DE DE4016347A patent/DE4016347C2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2238659A (en) | 1991-06-05 |
KR910013273A (ko) | 1991-08-08 |
JPH07109879B2 (ja) | 1995-11-22 |
US5096847A (en) | 1992-03-17 |
GB2238659B (en) | 1993-10-20 |
JPH03185757A (ja) | 1991-08-13 |
GB9011356D0 (en) | 1990-07-11 |
DE4016347A1 (de) | 1991-06-06 |
DE4016347C2 (de) | 1994-04-14 |
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